The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 1984
Filed:
Jul. 26, 1982
Applicant:
Inventors:
Richarda Bochow, Fallingbostel, DE;
Helmut Bergmann, Fallingbostel, DE;
Siegfried Eikemeier, Soltau, DE;
Assignee:
Agfa-Gavaert Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430 10 ; 40626 ; 40630 ; 156230 ; 156241 ; 283 77 ; 283108 ; 283112 ; 283904 ; 427-7 ; 428200 ; 428206 ; 428916 ;
Abstract
The tamperproof document consists of a photographic material as information carrier which is laminated on one or both sides with a transparent foil. The foil is attached to the surface of the information carrier by a layer of adhesive containing poly-1,2-alkyleneimine. The document is eminently saft against falsification.